Author Details
Syahputri, Yulian, Universitas Pakuan, Indonesia
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Vol 1, No 2 (2021): Helium: Journal of Science and Applied Chemistry - Articles
Coffee Ground Activated Charcoal and Its Potential as An Adsorbent of Ca2+ And Mg2+ Ions in Reducing Water Hardness
Abstract PDF -
Vol 2, No 1 (2022): Helium: Journal of Science and Applied Chemistry - Articles
Hg (II) and Cd (II) Heavy Metal Ions Detection Based On Fluorescence Using Zn (II) Metal Ion Complex with Pyrazoline Derivatives Ligand
Abstract PDF